Littelfuse Xtreme Varistor series is designed for applications requiring high surge energy/current absorption and multiple surge pulse withstanding capability. The Xtreme Varistor series radial leaded varistors are available in 5mm, 7mm, 10mm, 11mm, 14mm, and 20mm nominal disc sizes. This Littelfuse series offers a +125°C maximum operating temperature and features a 9.5J to 880J high energy absorption rating.